A kind of safe either sitting or lying on it chair and safety headrest thereof

A kind of safe either sitting or lying on it chair and safety headrest thereof

  • CN 102,390,295 B
  • Filed: 08/02/2007
  • Issued: 07/06/2016
  • Est. Priority Date: 08/02/2007
  • Status: Active Grant
First Claim
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1. the safe either sitting or lying on it chair being applicable to the sleeping two-purpose traffic tool of series sitting, cinema, performance contest place, office-recreational medical treatment domestic place;

  • it is characterized by energy flexural deformation when this safe either sitting or lying on it chair has collision before and after the above-mentioned vehicles are brought to a halt suddenly or occurred to be subject to passenger'"'"'s inertial impaction, the backrest of energy, offer buffering, protection passenger is provided;

    the framing structure of this backrest is that a nonmetal frame board, this backrest and nonmetal frame board thereof can support rear portion, the crown;

    This backrest has the active head restraint of an adjustable position, this headrest has the curved surface that the brain rear portion with passenger, cervical region, shoulder coincide, the curved surface wherein coincideing with brain rear portion is a concave curved surface, and rear portion, the crown can be supported, its pillow core adopts flexible material manufacture, it is big to passenger'"'"'s incidence Area of bearing, and uniform force is disperseed, and this backrest adopts nonmetal frame board to add the polyurethane cold foaming forming technique of height resilience and makes.

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